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Finding the Fourth Proportional to 444,791.20, 667,057.20 and 160,448.80

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Solution

The fourth proportional to 444,791.20, 667,057.20 and 160,448.80 is: 240,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,791.20 : 667,057.20 = 160,448.80 : x
  2. Step 2: Convert to fraction form
    444,791.20/667,057.20 = 160,448.80/x
  3. Step 3: Cross multiply
    444,791.20x = 667,057.20 × 160,448.80
  4. Step 4: Simplify right side
    444,791.20x = 107,028,527,271.36
  5. Step 5: Solve for x
    x = 107,028,527,271.36/444,791.20
  6. Step 6: Final answer
    x = 240,626.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.